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on December 15, 2025
If issues are solved then try to relaunch Outlook or perform system file tracking. Outlook stores all your email messages, meetings and events, contacts, and tasks in data files. You can run the Inbox Repair Tool (scanpst.exe) to scan your Outlook data files and repair errors. Are you having trouble starting Outlook or receiving "Cannot start Microsoft Outlook. Cannot open the Outlook window" error messages? We can fix the problem for you, or you can use the troubleshooting steps we're providing below to help resolve these startup issues.
If it is then you have to wait till they resolve the issue. Then follow other solutions to fix Outlook web not working. So, there are several factors that cause the Outlook web access issue. To resolve that there are several solutions you can use, some common ones are mentioned in this flowchart. Outlook Web App or OWA is a web version of Microsoft Outlook that you can use for free. Because it is available online, users can easily access their account from any device, even from their smartphone.
If you do not know where the .pst file is located, follow the steps in Step-by-Step Outlook troubleshooting How to locate, move, or back up your .pst file. If you want to fix PST files using this tool, make sure to have a proper backup of the Outlook PST before processing. You can use the Inbox Repair tool (SCANPST.EXE) to diagnose and repair errors in your Outlook data file. The Inbox Repair tool checks the Outlook data files on your computer to see if they're in good shape.
It offers various facilities to the users, allowing them to complete the process smoothly and confidently. In addition, this software has a straightforward GUI, so every user will be able to fix PST files without hassle. Users can process many Outlook data files (.pst) in single go using this professionals’ recommended tool. Whether you are a Microsoft Outlook, Exchange or Office 365 user, you may come across or encounter the PST files.
However, if this doesn’t help, proceed to the next step. Follow the six quick procedures given below to effectively resolve Outlook crashing Step-by-Step Outlook troubleshooting while starting up. We have tried all things mentioned above (except reconnecting the MS account), but the only solution so far is deleting the users profile. If I run an online repair and reboot her PC it will usually work for a day or two.
Hence, you must now consider fixing your PST file after the Outlook crash. If the above methods didn’t work for you try reinstalling your Outlook, In most Step-by-Step Outlook troubleshooting of the time reinstalling Microsoft Outlook can repair Outlook crashes during startup issues. Outlook stores all your email messages, meetings and events, contacts, and tasks in data files. You can run the Inbox Repair Tool (scanpst.exe) to scan your Outlook data files and repair errors.
We've presented the potential solutions in order from quickest to most time consuming. Find solutions to common problems or Step-by-Step Outlook troubleshooting get help from a support agent. Starting Outlook in safe mode, which starts Outlook without add-ins loaded, can tell you if an add-in is the source of the problem. Outlook may be running with settings meant for an older Windows version. You can start Outlook in safe mode, disable your add-ins, and then try to open Outlook normally. For example, the first time you try to Dismiss All on a list of reminders, Outlook asks you if you're sure you want to do that.
Currently, you can't use Outlook on Windows to edit calendars that are shared with your Outlook.com account, even if you've reconnected your Outlook.com account to Outlook. We're working to make it possible to edit shared calendars in Outlook 2016 for Windows. If you are having issues sending email, this might be due to validation issues with your Microsoft Account. We are aware that some users may not be able to receive email from Gmail accounts.
Below, we’ll guide you through a series of solutions, from simple, quick fixes to more in-depth repairs, to help you get Outlook up and running again. Occasionally, classic Outlook tries to run a process in the background. Auto-archive, sending and receiving a very large attachment, or running some of the other mailbox tools can all be done in the background. Check the status bar at the bottom of the screen to see if another process is running. If so, wait a short time (usually two or three minutes) to see if Outlook starts working again.
I have found that when this happens its due to the Account in windows needing to be updated. If you close outlook(make sure its not in the system tray) then click on start and type Domain, then find Access work or school. You should see the Microsoft account, click on it and disconnect it. Find solutions to common problems or get help from a support agent. If Outlook is NOT able to start in safe mode, then try the next proposed solution below, entitled Create a new Outlook profile. Use the classic Outlook startup troubleshooter to diagnose and fix several common classic Outlook for Windows issues for you.